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Modulation-Adaptive Link-Disjoint Path Selection Model for 1 + 1 Protected Elastic Optical Networks
https://uec.repo.nii.ac.jp/records/9339
https://uec.repo.nii.ac.jp/records/93395a45aeee-9255-4250-8351-9f586d4adbb9
名前 / ファイル | ライセンス | アクション |
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Modulation-Adaptive Link-Disjoint Path Selection Model for 1+1 Protected Elastic Optical Networks (782.2 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-09-19 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Modulation-Adaptive Link-Disjoint Path Selection Model for 1 + 1 Protected Elastic Optical Networks | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題 | Optical fiber communication | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Kishi, Yuto
× Kishi, Yuto× Kitsuwan, Nattapong× Ito, Hiro× Chatterjee, Bijoy Chand× Oki, Eiji |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In elastic optical networks (EONs), an appropriate modulation technique is adapted according to the distance of an optical path. A robust modulation technique with a large number of spectrum slots is considered for longer distance optical paths, and a less robust modulation technique with a small number of spectrum slots is used for shorter distance optical paths. When an optical path is configured, the number of required spectrum slots is determined based on the nonlinear relationship between the optical path length and the number of utilized spectrum slots. Minimizing the total path lengths does not always minimize the total number of required spectrum slots for configuring an optical path, which decreases the spectrum utilization. This paper introduces a modulation-adaptive link-disjoint path selection model by considering a step function based on realistic modulation formats in order to minimize the total number of utilized spectrum slots in 1 + 1 protected EONs. We formulate the modulation-adaptive link-disjoint path selection problem as an integer linear programming (ILP). We prove that the modulation-adaptive link-disjoint path selection problem is NP-complete. By using an optimization solver, we solve the ILP problem for different backbone networks, namely, Japan Photonic Network (JPN48), German 17 Network, and COST 239 Network, within a practical time. Numerical results obtained from performance evaluation indicate that the introduced model reduces the number of utilized spectrum slots compared to the conventional schemes. | |||||
書誌情報 |
en : IEEE Access 巻 7, p. 25422-25437, 発行日 2019-02-22 |
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出版者 | ||||||
出版者 | IEEE | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2169-3536 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1109/ACCESS.2019.2901018 | |||||
権利 | ||||||
権利情報 | ©2019 IEEE. Translations and content mining are permitted for academic research only. Personal use is also permitted, but republication/redistribution requires IEEE permission. | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1109/ACCESS.2019.2901018 | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |